CN213341586U

CN213341586U - Deicing trolley for high-voltage iron tower power transmission line

Info

Publication number: CN213341586U
Application number: CN202021869014.4U
Authority: CN
Inventors: 李波; 刘洋; 柴红亮; 邹路娟
Original assignee: Chongqing Shouye Engineering Design Consultation Co ltd
Current assignee: Chongqing Shouye Engineering Design Consultation Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-06-01
Anticipated expiration: 2030-08-31

Abstract

The utility model provides a deicing trolley for a high-voltage iron tower transmission line, which comprises a trolley body and a travelling mechanism for driving the trolley body to move axially along the transmission line, wherein the trolley body is also movably connected with a deicing mechanism; the deicing mechanism comprises an ice layer cutting assembly which is rotatably connected to the power transmission line; ice sheet cutting assembly establishes the deicing section of thick bamboo on the power transmission line and follows the multiunit cutting layer that deicing section of thick bamboo inner wall axial was arranged including the cover, and every group cutting layer equipartition cloth has a plurality of to cut into the intraformational cutting sword of ice on the power transmission line in the circumferencial direction of deicing section of thick bamboo, wherein: the lengths of the cutting knives on each group of cutting layers are reduced one by one along the moving direction of the vehicle body on the power transmission line, and any two adjacent cutting knives on each group are arranged in a staggered mode. The problems that the existing manual sliding deicing is slow in efficiency and life safety cannot be guaranteed are solved, the ice layer covering and wrapping the transmission line is effectively removed, and the deicing efficiency of the high-voltage iron tower transmission line is improved.

Description

Deicing trolley for high-voltage iron tower power transmission line

Technical Field

The utility model relates to a high tension tower power transmission line maintains the field, especially relates to a deicing dolly of high tension tower power transmission line.

Background

The high-voltage power transmission line of the high-voltage iron tower bears the power demand of countless lamplight and is used for power transmission in China on wide land, wherein in cold areas, a layer of ice is often covered on the power transmission line, which brings great operation risk to the safety of the whole power transmission line.

The existing deicing mode is as follows: the power maintenance engineering personnel are required to climb the high-voltage iron tower and then walk on the power transmission line to carry out deicing operation, so that the deicing efficiency is low, life threat is brought to the maintenance personnel, and therefore, the deicing trolley is necessary to be designed to carry out deicing operation on the power transmission line, and the operation stability of a circuit is ensured.

SUMMERY OF THE UTILITY MODEL

The deicing dolly of high tension tower power transmission line, through running gear and deicing mechanism who sets up on the railway carriage, can get rid of the ice layer on the power transmission line between two high tension tower, solved current artifical efficiency of sliding the deicing slow, the problem that life safety can not be protected, reached and effectively clear away the ice layer of covering parcel on the power transmission line, improved high tension tower power transmission line's deicing efficiency.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a deicing trolley for a high-voltage iron tower transmission line comprises a trolley body and a travelling mechanism, wherein the travelling mechanism drives the trolley body to move axially along the transmission line; the deicing mechanism comprises an ice layer cutting assembly which is rotatably connected to the power transmission line; ice sheet cutting assembly establishes the deicing section of thick bamboo on the power transmission line and follows the multiunit cutting layer that deicing section of thick bamboo inner wall axial was arranged including the cover, and every group cutting layer equipartition cloth has a plurality of to cut into the intraformational cutting sword of ice on the power transmission line in the circumferencial direction of deicing section of thick bamboo, wherein: the lengths of the cutting knives on each group of cutting layers are reduced one by one along the moving direction of the vehicle body on the power transmission line, and any two adjacent cutting knives on each group are arranged in a staggered mode.

Further, the deicing mechanism also comprises a driving assembly for driving the deicing cylinder to move axially along the transmission line; the driving assembly comprises a pushing sleeve rotatably connected with the deicing cylinder and a pushing arm fixed between the pushing sleeve and the vehicle body.

Preferably, the deicing mechanism further comprises a rotating assembly for driving the deicing drum to rotate around the axis of the transmission line;

preferably, the rotating assembly comprises a rack detachably fixed on the deicing cylinder, a driving gear engaged with the rack, and a driving motor driving the driving gear to rotate.

Preferably, each cutting blade comprises a blade fixed on the inner wall of the deicing cylinder and used for cutting into an ice layer on the power transmission line; the blade is obliquely arranged from the inner wall close to the deicing cylinder to the direction of the power transmission line; and the puncture part of the blade is an electric heating piece.

Preferably, an auxiliary cutting unit for cutting the ice layer is installed in a length direction of the blade, and the auxiliary cutting unit is used in cooperation with the blade.

Further, the auxiliary cutting unit includes a sprocket rotatably coupled to the side wall of the blade, a chain linked to the sprocket, and a saw tooth formed on the chain.

Further, deicing section of thick bamboo includes that two mutual lock link together and constitute the concatenation section of thick bamboo that the power transmission line held the chamber, and one of them concatenation section of thick bamboo is female a concatenation section of thick bamboo, and another concatenation section of thick bamboo is a son concatenation section of thick bamboo.

Preferably, the female splicing barrel and the sub splicing barrel are fixedly buckled through splicing pieces; the splicing piece comprises a groove constructed on the female splicing barrel, a convex block fixed on the sub splicing barrel and matched and spliced with the groove, and an electromagnet arranged at the bottom in the groove.

Preferably, the deicing mechanism further comprises a stabilizing assembly for stabilizing the circumferential rotation of the deicing cylinder;

further, the stabilizing assembly comprises a sleeve detachably sleeved on the outer side of the deicing cylinder and a plurality of buffering units which are fixed on the inner wall of the sleeve and used for circumferential rotation of the deicing cylinder, and the buffering units are circumferentially arranged along the inner wall of the sleeve at intervals.

Furthermore, the sleeve is composed of two protection cylinders which are mutually buckled together, one ends of the two protection cylinders are hinged through a hinge, and the other ends of the two protection cylinders are detachably fixed and buckled through bolts.

Preferably, each buffer unit comprises a supporting pad connected with the deicing cylinder in a sliding manner, a supporting column fixed on the inner wall of the sleeve and pointing to the axis of the deicing cylinder, and a spring sleeved on the supporting column; one end of the spring is abutted against the inner wall of the sleeve, and the other end of the spring is abutted against the supporting pad.

The utility model discloses technical scheme's principle lies in: the running gear that sets up on the automobile body drives the automobile body and moves along the transmission line on, is equipped with the deicing mechanism who moves synchronously together with the automobile body simultaneously on the automobile body and cuts the ice layer successive layer on the transmission line of the in-process of marcing, and main work flow is: the circumference of the deicing cylinder on the power transmission line is utilized to rotate, and the plurality of groups of cutting layers arranged in the axial direction of the deicing cylinder cut the ice layers covering the power transmission line on the ice layers with different depths, so that the aim of thoroughly cutting the ice layers on the power transmission line is fulfilled.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses the utilization utilizes running gear drive automobile body to follow power transmission line axial displacement, at automobile body and deicing mechanism synchronous movement in-process, to the ice sheet cutting processing on the power transmission line, compares current deicing mode, and this technical scheme utilizes the multiunit cutting layer of arranging along deicing barrel inner wall axial that is lieing in deicing mechanism to carry out the successive layer cutting to the ice sheet on the power transmission line, can thoroughly cut into the piece with the ice sheet that covers on the power transmission line. The working mode that manual deicing is slow is avoided, and the deicing efficiency of the high-voltage iron tower transmission line is improved.

The following are other beneficial effects based on the technical scheme:

1. through setting up the supplementary cutting unit on the blade, can be when deicing section of thick bamboo rotates, the cutting sword has fine cutting effect to hard ice sheet, and is more favorable to cutting into the piece to the ice sheet sooner, further improves ice sheet cutting speed.

2. The deicing device has the advantages that the deicing cylinder is formed by the two splicing cylinders which are mutually buckled and connected together, so that the two splicing cylinders are directly buckled around the power transmission line, the ice layer on the power transmission line is sealed on the inner wall of the deicing cylinder, the deicing operation is facilitated, and the flexibility and convenience of the deicing mechanism are improved.

3. The stabilizing assembly is arranged to realize stable rotation of the deicing cylinder in the sleeve around the axis of the power transmission line, so that the acting force of the rugged ice layer on the deicing cylinder is reduced, and the aim of protecting the deicing cylinder is fulfilled.

4. Through the drive assembly who sets up, can be with deicing section of thick bamboo circumference pivoted in, advance with the automobile body in step along the power transmission line axial, ensure that the ice sheet on the power transmission line that passes through strips completely, improve deicing mechanism's deicing efficiency.

Drawings

Fig. 1 is the overall schematic view of deicing trolley for high-voltage transmission line in the embodiment of the present invention.

Fig. 2 is an axial sectional view of a deicing mechanism according to an embodiment of the present invention.

Fig. 3 is a schematic sectional view taken along the direction a-a in fig. 2.

Fig. 4 is a schematic sectional view along the direction B-B in fig. 2.

Fig. 5 is a partially enlarged schematic view at a of fig. 4.

Reference numerals:

1. a vehicle body; 10. a support frame; 2. a traveling mechanism; 21. a push arm; 22. a push sleeve; 23. sleeving a ring; 24. a ring groove; 3. a deicing mechanism; 30. a cutting blade; 31. a blade; 32. a puncture section; 33. a sprocket; 34. a chain; 35. saw teeth; 39. a cutting layer; 4. a driving gear; 41. a rack; 42. a drive motor; 43. a mechanical torque converter; 5. a support pad; 6. a spring; 61. a support pillar; 7. an ice removing cylinder; 71. a female splicing barrel; 72. a sub-splicing barrel; 73. a bump; 74. a groove; 8. a sleeve; 80. a protective cylinder; 82. a hinge; 83. a bolt; 9. a power transmission line; 91. and (4) an ice layer.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments.

Referring to fig. 1, according to the utility model discloses a deicing dolly of high tension tower power transmission line that embodiment provided, including automobile body 1 and the running gear 2 that drives automobile body 1 along power transmission line 9 axial displacement, running gear 2 includes that the axial direction along power transmission line 9 sets up two sets of walking pulleys 20 in tandem, every group walking pulley 20 all rolls to articulate on power transmission line 9, is connected to on automobile body 1 through support frame 10 simultaneously to it advances on power transmission line 9 to drive automobile body 1 (the arrow point direction in the figure is automobile body 1 advancing direction), at the in-process of advancing, the circumference surface covering of power transmission line 9 has ice layer 91, still swing joint has deicing mechanism 3 that is used for cutting ice layer 91 on automobile body 1 this moment, deicing mechanism 3 locates between two sets of walking pulleys 20.

With reference to fig. 1 and 2, said deicing mechanism 3 comprises an ice layer cutting assembly rotatably connected to the power line 9; ice sheet cutting assembly establishes deicing section of thick bamboo 7 on power transmission line 9 and along the multiunit cutting layer 39 that deicing section of thick bamboo 7 inner wall axial was arranged including the cover, and every group cutting layer 39 has a plurality of to cut into the cutting sword 30 in the ice sheet 91 on the power transmission line 9 at the circumferencial direction of deicing section of thick bamboo 7 equally to distribute, wherein: the lengths of the cutting blades 30 on the respective groups of cutting layers 39 are reduced one by one in the direction in which the vehicle body 1 moves on the power transmission line 9, and any two adjacent cutting blades 30 on each group are arranged in a staggered manner. The deicing mechanism 3 also comprises a driving component for driving the deicing cylinder 7 to move axially along the power transmission line 9; as an embodiment of the present invention, the driving assembly includes a pushing sleeve 22 rotatably connected to the deicing cylinder 7 and a pushing arm 21 fixed between the pushing sleeve 22 and the vehicle body 1. The pushing arm 21 is fixedly connected to the supporting frame 10 in this embodiment, the pushing sleeve 22 is detachably sleeved on the power transmission line 9, and the pushing sleeve 22 abuts against the deicing cylinder 7.

During the operation, deicing section of thick bamboo 7 is gone up the circumference around power transmission line 9 and is rotated, realizes deicing section of thick bamboo 7's circumference and adopts and realize the rotation at deicing section of thick bamboo 7 built-in rotating electrical machines, provides a technical scheme and operation process in this embodiment: referring to fig. 1 and 2, the rotating assembly includes a rack 41 detachably fixed on the ice removing cylinder 7, a driving gear 4 engaged with the rack 41, and a driving motor 42 for driving the driving gear 4 to rotate, the driving motor 42 is fixed on the support frame 10, in this embodiment, the rack 41 is arranged around the outer wall of the ice removing cylinder 7 in a circumferential direction, under the rotation of the driving gear 4 of the driving motor 42, the ice removing cylinder 7 is made to rotate around the axis of the power transmission line 9, preferably, a mechanical torque converter 43 may be added between the driving motor 42 and the driving gear 4, so that the torque force generated by the output shaft of the driving motor 42 is increased, the torque generated by the ice removing cylinder 7 is increased, and thus the cutting blade 30 can perform powerful cutting on the hard ice layer 91. At this time, as a plurality of groups of cutting layers 39 are arranged in the deicing cylinder 7, and the depths of the cutting ice layers 91 on each group of cutting layers 39 are different, the depth of each group of cutting layers 39 cutting into the ice layers 91 is ensured to be constant, so that when the walking roller 20 drives the vehicle body 1 to advance after each group of cutting ice layers 91 are cut, the pushing arm 21 drives the pushing sleeve 22 to exert a forward pushing force on the deicing cylinder 7, the deicing cylinder 7 is forced to rotate circumferentially on the power transmission line 9 to advance, the ice layers 91 enclosed in the deicing cylinder 7 are connected to the cutting positions of the next group of cutting layers 39 and are sequentially connected to the next layer, so that the ice layers 91 are completely cut into chips according to a certain cutting depth, and finally the chips are discharged through gaps between the pushing sleeve 22 and the power transmission line and fall into the vehicle.

Referring to fig. 2 and 3, as other embodiments of the present invention: promote cover 22 by the ring cover 23 lock of two mutual articulated locks enclose, the equal fixedly connected with catch arm 21 on each ring cover 23, two ring cover 23 one ends are passed through hinge 82 and are articulated, and the other end passes through bolt 83 detachably fixed connection, conveniently cup joints at power transmission line 9, and conveniently demolishs, it rotates through the transition piece with deicing section of thick bamboo 7 to promote cover 22 and rotate to be connected, the transition piece is including fixing a plurality of gyro wheel 36 that removes deicing section of thick bamboo 7 orientation promotion cover 22 one end and seting up on promoting cover 22 and supplying each gyro wheel 36 roll connection annular 24 (annular 24 intercommunication on two ring covers 23).

In this embodiment, each of the cutting blades 30 includes a blade 31 fixed on the inner wall of the ice removing cylinder 7 for cutting into the ice layer 91 on the power transmission line 9, the blade 31 is made of high-strength alloy steel, the blade 31 is disposed in a direction from the inner wall of the ice removing cylinder 7 to the power transmission line 9, and the piercing part 32 of the blade 31 is an electric heating plate, so that when the piercing part 32 of the blade 31 makes initial contact with the ice layer 91, the electric heating plate on the piercing part 32 can be preheated after being electrified, and then the electric heating plate is gradually melted with the increase of temperature after being in contact with the ice layer 91, so that the blade 31 can be better inserted into the ice layer 91.

Referring to fig. 5, as another embodiment of the present invention, an auxiliary cutting unit for cutting the ice layer 91 is installed in the longitudinal direction of the blade 31, and the auxiliary cutting unit is used in cooperation with the blade 31. The auxiliary cutting unit comprises a chain wheel 33 rotationally connected to the side wall of the blade 31, a chain 34 linked with the chain wheel 33 and saw teeth 35 constructed on the chain 34, the number of the chain wheels 33 is two, the saw teeth 35 on the chain 34 drive the chain 34 to drive between the chain wheels 33 when the chain wheel 33 rotates, the cutting direction of the saw teeth 35 on the chain 34 is parallel to the cutting direction of the puncture part 32 of the blade 31, the saw teeth 35 have a cutting effect on the contacted ice layer 91 under the action of the driving direction of the chain 34, and simultaneously, under the rotation of the ice removing barrel 7, the hard ice layer 91 can be cut.

As an embodiment of the present invention, the deicing mechanism 3 further includes a rotating assembly for driving the deicing cylinder 7 to rotate around the axis of the power transmission line 9; in the present example, the deicing cylinder 7 rotates under the action of external force, and the following technical directions can also be adopted for rotation:

referring to fig. 2 and 4, as another embodiment of the present invention, the deicing cylinder 7 includes two splicing cylinders which are fastened to each other and connected together to form a containing cavity of the power transmission line 9, wherein one splicing cylinder is a female splicing cylinder 71, and the other splicing cylinder is a sub splicing cylinder 72. The female splicing barrel 71 and the sub splicing barrel 72 are fixedly buckled through splicing pieces; the splicing piece comprises a groove 74 formed in the female splicing barrel 71, a lug 73 fixed on the sub splicing barrel 72 and matched and spliced with the groove 74, and an electromagnet installed at the bottom of the groove 74, wherein the cross section of the groove 74 is in a dovetail shape in the embodiment, the ice removing barrel 7 can be conveniently buckled on the power transmission line 9 and can be conveniently opened and maintained by a worker through the splicing barrels buckled with each other, and the two splicing barrels are firmly buckled and connected together by the electromagnet in the embodiment, so that dislocation is avoided.

Referring to fig. 2 and 4, as another embodiment of the present invention, the deicing mechanism 3 further includes a stabilizing assembly for stabilizing the circumferential rotation of the deicing cylinder 7; the stabilizing assembly comprises a sleeve 8 which is detachably sleeved on the outer side of the deicing cylinder 7 and is fixed on the support frame 10, and a plurality of buffer units which are fixed on the inner wall of the sleeve 8 and are used for the circumferential rotation of the deicing cylinder 7, wherein the buffer units are circumferentially arranged along the inner wall of the sleeve 8 at intervals, each buffer unit comprises a supporting pad 5 which is connected with the deicing cylinder 7 in a sliding mode, a supporting column 61 which is fixed on the inner wall of the sleeve 8 and points to the axis of the deicing cylinder 7, and a spring 6 which is sleeved on the supporting column 61; the utility model discloses a buffering unit, including spring 6, supporting pad 5, a plurality of supporting pad 5, the buffering unit that demonstrates in this embodiment figure 2 is arranged along sleeve 8 inner wall axial to two circles, the other end and supporting pad 5 butt, supporting pad 5 slides and hugs closely on the lateral wall of a deicing section of thick bamboo 7 and allows a deicing section of thick bamboo 7 free slip, and a plurality of supporting pad 5 encloses into the round around a deicing section of thick bamboo 7 circumference. When the thickness of the ice layer 91 on the power transmission line 9 is uneven, the acting force of the cutting blade 30 of the deicing cylinder 7 and the acting force of the ice layer 91 are different, so that the rotation jumping range of the deicing cylinder 7 around the axis circumference of the power transmission line 9 is enlarged, the deicing cylinder 7 cannot rotate unstably, the cutting blade 30 is damaged, the spring 6 is added to reduce the acting force of the ice layer 91 on the cutting blade 30, and meanwhile, the supporting pad 5 can allow the deicing cylinder 7 to run stably.

Referring to fig. 4, as another embodiment of the present invention, the sleeve 8 is formed by two protection cylinders 80 that are fastened to each other, one end of each protection cylinder 80 is hinged by a hinge 82, the other end is detachably fastened by a bolt 83, and the two protection cylinders 80 are fastened by the hinge 82 and the bolt 83 for easy detachment and maintenance.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The utility model provides a deicing dolly of high tension tower power line, includes automobile body (1) and drive automobile body (1) along power line axial displacement's running gear (2), its characterized in that: the vehicle body (1) is also movably connected with a deicing mechanism (3);

the deicing mechanism (3) comprises an ice layer cutting assembly which is rotatably connected to the power transmission line;

ice sheet cutting assembly establishes deicing section of thick bamboo (7) on the power transmission line and along multiunit cutting layer (39) that deicing section of thick bamboo (7) inner wall axial was arranged including the cover, and every group cutting layer (39) is equallyd divide in the circumferencial direction of deicing section of thick bamboo (7) and is had cutting sword (30) that a plurality of cut into in ice sheet (91) on the power transmission line, wherein:

the lengths of the cutting blades (30) on each set of cutting layers (39) are reduced one by one along the direction in which the vehicle body (1) moves on the power transmission line.

2. The deicing trolley for the power transmission lines of high voltage towers according to claim 1, characterized in that: the deicing mechanism (3) further comprises a rotating assembly for driving the deicing cylinder (7) to rotate around the axis of the transmission line;

the rotating assembly comprises a rack (41) detachably fixed on the ice removing barrel (7), a driving gear (4) meshed with the rack (41) and a driving motor (42) driving the driving gear (4) to rotate.

3. The deicing trolley for the power transmission lines of high voltage towers according to claim 2, characterized in that: each cutting blade (30) comprises a blade (31) which is fixed on the inner wall of the deicing cylinder (7) and is used for cutting into an ice layer (91) on the power transmission line;

the blade (31) is obliquely arranged from the inner wall close to the deicing cylinder (7) to the direction of the power transmission line, and the puncture part (32) of the blade (31) is an electric heating piece.

4. The deicing trolley for the power transmission lines of high voltage towers according to claim 3, characterized in that: an auxiliary cutting unit for cutting an ice layer is arranged in the length direction of the blade (31), and the auxiliary cutting unit is matched with the blade (31) for use;

the auxiliary cutting unit comprises a chain wheel (33) rotatably connected to the side wall of the blade (31), a chain (34) linked with the chain wheel (33), and saw teeth (35) constructed on the chain (34).

5. The deicing trolley for the power transmission lines of high voltage towers according to claim 4, characterized in that: the deicing cylinder (7) comprises two splicing cylinders which are mutually buckled and connected together to form a power transmission line accommodating cavity, wherein one splicing cylinder is a female splicing cylinder (71), and the other splicing cylinder is a sub splicing cylinder (72).

6. The deicing trolley for the power transmission lines of high voltage towers according to claim 5, characterized in that: the female splicing barrel (71) and the sub splicing barrel (72) are fixedly buckled through splicing pieces;

the splicing piece comprises a groove (74) formed in the female splicing barrel (71), a convex block (73) which is fixed on the sub splicing barrel (72) and is matched and spliced with the groove (74), and an electromagnet installed at the bottom in the groove (74).

7. The deicing trolley for the power transmission lines of high voltage towers according to claim 6, characterized in that: the deicing mechanism (3) further comprises a stabilizing assembly for stabilizing the circumferential rotation of the deicing cylinder (7);

the stabilizing assembly comprises a sleeve (8) detachably sleeved on the outer side of the deicing cylinder (7) and a plurality of buffer units fixed on the inner wall of the sleeve (8) and used for circumferential rotation of the deicing cylinder (7), wherein the buffer units are circumferentially arranged at intervals along the inner wall of the sleeve (8).

8. The deicing trolley for high voltage tower transmission lines as claimed in claim 7, wherein: the sleeve (8) comprises two protection cylinders (80) which are mutually buckled together, one ends of the two protection cylinders (80) are hinged through hinges (82), and the other ends of the two protection cylinders are detachably fixed and buckled through bolts (83).

9. The deicing trolley for high voltage tower transmission lines as claimed in claim 7 or 8, wherein: each buffer unit comprises a supporting pad (5) connected with the deicing cylinder (7) in a sliding manner, a supporting column (61) fixed on the inner wall of the sleeve (8) and pointing to the axis of the deicing cylinder (7), and a spring (6) sleeved on the supporting column (61);

one end of the spring (6) is abutted against the inner wall of the sleeve (8), and the other end of the spring is abutted against the supporting pad (5).

10. The deicing trolley for high voltage tower transmission lines as claimed in any one of claims 1 to 8, wherein: the deicing mechanism (3) further comprises a driving assembly for driving the deicing cylinder (7) to move axially along the transmission line;

the driving assembly comprises a pushing sleeve (22) rotationally connected with the deicing barrel (7) and a pushing arm (21) fixed between the pushing sleeve (22) and the vehicle body (1).